Not For Jews - An adjective, used to describe an event, activity or task deemed to be too physically demanding, dangerous, noisy, long or painful for your average, run-of-the-mill, non-sporty Jew.

Note: this is not an anti-semetic abbreviation, and is used mainly by Jews themselves.
Gillian: My boss is heading to Mongolia tomorrow to do a 12-day hike. He's going to be carrying a tent with him and enough supplies for the whole trip!

Marty: Oy, that's seriously NFJ.
by Grohl_ March 20, 2011
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Abbreviation for "Nigga Fuck Jew Suck"
can be used anywhere.
what the NFJS?
thats one big NFJS!
holy NFJS!
suck my NFJS!
by bignig September 13, 2003
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